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                    5.2020-01-10-性能调优举例一
            
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                    6.2020-01-10-性能调优举例三
            
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                    7.2020-01-10-性能调优举例二
            
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                    1.2019-12-28-solr-7.6.0.tgz安装
            
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                    1.2020-01-12-SpringBoot属性读取方式介绍
            
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                    2.2020-01-12-使用spring boot+mybatis plus快速入门
            
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                    3.2020-01-13-spring-initMethod-destoryMethod
            
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                    4.2020-01-13-spring循环依赖
            
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                    5.2020-01-13-spring源码随记
            
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                    6.2020-01-13-自定义mini-spring
            
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                    [websocket]
            
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                    1.2019-12-30-webscoket-springboot通信
            
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                    [linux]
            
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                    1.2019-12-28-Linux常用命令和快捷键
            
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                    2.2019-12-28-从零到一环境安装
            
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        <li class="chapter " data-level="2.15.3" data-path="../../linux/2019-12-30-vi-常用命令.html">
            
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                    3.2019-12-30-vi-常用命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.4" data-path="../../linux/2019-12-31-awk命令.html">
            
                <a href="../../linux/2019-12-31-awk命令.html">
            
                    
                    4.2019-12-31-awk命令
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.5" data-path="../../linux/2019-12-31-cup信息分析.html">
            
                <a href="../../linux/2019-12-31-cup信息分析.html">
            
                    
                    5.2019-12-31-cup信息分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.6" data-path="../../linux/2019-12-31-shell编程.html">
            
                <a href="../../linux/2019-12-31-shell编程.html">
            
                    
                    6.2019-12-31-shell编程
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.7" data-path="../../linux/2019-12-31-top命令.html">
            
                <a href="../../linux/2019-12-31-top命令.html">
            
                    
                    7.2019-12-31-top命令
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.8" data-path="../../linux/2019-12-31-普通用户docker的问题.html">
            
                <a href="../../linux/2019-12-31-普通用户docker的问题.html">
            
                    
                    8.2019-12-31-普通用户docker的问题
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.9" data-path="../../linux/2020-01-01-centos7 安装kubernetes.html">
            
                <a href="../../linux/2020-01-01-centos7 安装kubernetes.html">
            
                    
                    9.2020-01-01-centos7 安装kubernetes
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.10" data-path="../../linux/2020-01-01-centos安装常用配置.html">
            
                <a href="../../linux/2020-01-01-centos安装常用配置.html">
            
                    
                    10.2020-01-01-centos安装常用配置
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.11" data-path="../../linux/2020-01-01-docker使用.html">
            
                <a href="../../linux/2020-01-01-docker使用.html">
            
                    
                    11.2020-01-01-docker使用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.12" data-path="../../linux/2020-01-01-kubernetes使用.html">
            
                <a href="../../linux/2020-01-01-kubernetes使用.html">
            
                    
                    12.2020-01-01-kubernetes使用
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.13" data-path="../../linux/2020-05-12-PG有用的SQL.html">
            
                <a href="../../linux/2020-05-12-PG有用的SQL.html">
            
                    
                    13.2020-05-12-PG有用的SQL
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.14" data-path="../../linux/2020-05-12-vim命令.html">
            
                <a href="../../linux/2020-05-12-vim命令.html">
            
                    
                    14.2020-05-12-vim命令
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.16" >
            
                <span>
            
                    
                    [automate]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.16.1" data-path="../../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                <a href="../../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                    
                    1.2020-01-12-redis伪集群创建脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.2" data-path="../../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                <a href="../../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                    
                    2.2020-01-12-tomcat集群创建脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.3" data-path="../../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                <a href="../../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                    
                    3.2020-01-12-zookeeper自动化脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.4" data-path="../../linux/automate/2020-01-12-其他自动化脚本.html">
            
                <a href="../../linux/automate/2020-01-12-其他自动化脚本.html">
            
                    
                    4.2020-01-12-其他自动化脚本
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.17" >
            
                <span>
            
                    
                    [MySQL]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.17.1" data-path="../../MySQL/2019-12-31-mysql常用命令.html">
            
                <a href="../../MySQL/2019-12-31-mysql常用命令.html">
            
                    
                    1.2019-12-31-mysql常用命令
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.18" >
            
                <span>
            
                    
                    [nginx]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.18.1" data-path="../../nginx/2019-12-29-Nginx-Keepalived高可用集群.html">
            
                <a href="../../nginx/2019-12-29-Nginx-Keepalived高可用集群.html">
            
                    
                    1.2019-12-29-Nginx-Keepalived高可用集群
            
                </a>
            

            
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        <li class="chapter " data-level="2.18.2" data-path="../../nginx/2020-01-16-nginx参数详细说明.html">
            
                <a href="../../nginx/2020-01-16-nginx参数详细说明.html">
            
                    
                    2.2020-01-16-nginx参数详细说明
            
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        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.19" >
            
                <span>
            
                    
                    [other]
            
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        <li class="chapter " data-level="2.19.1" data-path="../../other/2019-12-28-知识小计.html">
            
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                    1.2019-12-28-知识小计
            
                </a>
            

            
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        <li class="chapter " data-level="2.19.2" data-path="../../other/2020-01-04-科学上网.html">
            
                <a href="../../other/2020-01-04-科学上网.html">
            
                    
                    2.2020-01-04-科学上网
            
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        <li class="chapter " data-level="2.19.3" data-path="../../other/2020-05-13-正则表达式.html">
            
                <a href="../../other/2020-05-13-正则表达式.html">
            
                    
                    3.2020-05-13-正则表达式
            
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        <li class="chapter " data-level="2.19.4" data-path="../../other/template.html">
            
                <a href="../../other/template.html">
            
                    
                    4.template
            
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            </ul>
            
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        <li class="chapter " data-level="2.20" >
            
                <span>
            
                    
                    [PostgreSQL]
            
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        <li class="chapter " data-level="2.20.1" data-path="../../PostgreSQL/2019-12-28-PostgreSQL安装文档.html">
            
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                    1.2019-12-28-PostgreSQL安装文档
            
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        <li class="chapter " data-level="2.20.2" data-path="../../PostgreSQL/2019-12-28-Postgres学习笔记.html">
            
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                    2.2019-12-28-Postgres学习笔记
            
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        <li class="chapter " data-level="2.20.3" data-path="../../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                <a href="../../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                    
                    3.2019-12-28-脚本MYSQL导出数据到PG
            
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        <li class="chapter " data-level="2.20.4" data-path="../../PostgreSQL/2020-01-04-docker-PostgreSQL安装文档.html">
            
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                    4.2020-01-04-docker-PostgreSQL安装文档
            
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        <li class="chapter " data-level="2.20.5" data-path="../../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                <a href="../../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                    
                    5.2020-01-17-阿里云PG主从切换问题
            
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            </ul>
            
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        <li class="chapter " data-level="2.21" >
            
                <span>
            
                    
                    [python]
            
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        <li class="chapter " data-level="2.21.1" data-path="../../python/2019-12-28-pip-install指定国内源镜像.html">
            
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                    1.2019-12-28-pip-install指定国内源镜像
            
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        <li class="chapter " data-level="2.21.2" data-path="../../python/2019-12-30-python内置函数.html">
            
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                    2.2019-12-30-python内置函数
            
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        <li class="chapter " data-level="2.21.3" data-path="../../python/2019-12-30-一图搞懂基本python语法 .html">
            
                <a href="../../python/2019-12-30-一图搞懂基本python语法 .html">
            
                    
                    3.2019-12-30-一图搞懂基本python语法 
            
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        <li class="chapter " data-level="2.22" >
            
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                    [redis]
            
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                    1.2019-12-28-redis5.0.3安装
            
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        <li class="chapter " data-level="2.22.2" data-path="../../redis/2019-12-28-redis5.0.3集群搭建.html">
            
                <a href="../../redis/2019-12-28-redis5.0.3集群搭建.html">
            
                    
                    2.2019-12-28-redis5.0.3集群搭建
            
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            </ul>
            
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        <li class="chapter " data-level="2.23" >
            
                <span>
            
                    
                    [tool]
            
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        <li class="chapter " data-level="2.23.1" data-path="../../tool/2019-12-28-idea高效使用技巧和快捷键.html">
            
                <a href="../../tool/2019-12-28-idea高效使用技巧和快捷键.html">
            
                    
                    1.2019-12-28-idea高效使用技巧和快捷键
            
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        <li class="chapter " data-level="2.23.2" data-path="../../tool/2019-12-28-PlantUML画图脚本.html">
            
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                    2.2019-12-28-PlantUML画图脚本
            
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        <li class="chapter " data-level="2.23.3" data-path="../../tool/2019-12-30-vscode高效使用.html">
            
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                    3.2019-12-30-vscode高效使用
            
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            </ul>
            
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        <li class="chapter " data-level="2.24" >
            
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                    [windows]
            
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        <li class="chapter " data-level="2.24.1" data-path="../../windows/2020-01-12-本地服务成为互联网服务.html">
            
                <a href="../../windows/2020-01-12-本地服务成为互联网服务.html">
            
                    
                    1.2020-01-12-本地服务成为互联网服务
            
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        <li class="chapter " data-level="2.24.2" data-path="../../windows/2020-01-12-注册bat为windows服务.html">
            
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                    2.2020-01-12-注册bat为windows服务
            
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                                <p>&#x95EE;&#x9898;&#x73B0;&#x8C61;&#xFF1A;&#x6D4B;&#x8BD5;&#x4EBA;&#x5458;&#x538B;&#x6D4B;&#x65B0;&#x7CFB;&#x7EDF;&#x63A5;&#x53E3;&#xFF0C;&#x53D1;&#x73B0;&#x7ECF;&#x5E38;&#x51FA;&#x73B0;&#x670D;&#x52A1;&#x4E2D;&#x65AD;&#x73B0;&#x8C61;&#xFF0C;&#x901A;&#x8FC7;gatling&#x56FE;&#x770B;&#x5230;RPS&#x8FC7;&#x4E00;&#x6BB5;&#x65F6;&#x95F4;&#x5373;&#x51FA;&#x73B0;&#x4E2D;&#x65AD;&#xFF0C;&#x539F;&#x56E0;&#x662F;&#x540E;&#x7AEF;&#x5FAE;&#x670D;&#x52A1;&#x4E0D;&#x80FD;&#x5904;&#x7406;&#x65B0;&#x7684;&#x7528;&#x6237;&#x8BF7;&#x6C42;</p>
<h2 id="&#x95EE;&#x9898;&#x5206;&#x6790;&#x4E0E;&#x4F18;&#x5316;&#x63AA;&#x65BD;">&#x95EE;&#x9898;&#x5206;&#x6790;&#x4E0E;&#x4F18;&#x5316;&#x63AA;&#x65BD;</h2>
<h3 id="&#x95EE;&#x9898;1&#xFF1A;jstack&#x89C2;&#x5BDF;">&#x95EE;&#x9898;1&#xFF1A;jstack&#x89C2;&#x5BDF;</h3>
<p>&#x5206;&#x6790;jstack&#x7EBF;&#x7A0B;&#x6808;&#xFF0C;&#x53D1;&#x73B0;&#x5927;&#x91CF;&#x963B;&#x585E;&#x7684;&#x65B9;&#x6CD5;  TIMED_WAITING  &#x72B6;&#x6001;</p>
<p>jstack -l PID</p>
<pre><code class="lang-log">&quot;LogAyncAppender-0&quot; #13 daemon prio=5 os_prio=0 tid=0x00007f81fe71c800 nid=0x4b42 runnable [0x00007f815bd32000]
   java.lang.Thread.State: TIMED_WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for  &lt;0x00000000835b7b28&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2163)
        - locked &lt;0x00000000835ba9a0&gt; 
        at ch.qos.logback.core.spi.AyncAppenderImpl.lambda$static$0(AyncAppenderImpl.java:60)
        at ch.qos.logback.core.spi.AyncAppenderImpl$$Lambda$2/621300254.run(Unknown Source)
        at java.lang.Thread.run(Thread.java:748)
</code></pre>
<p>&#x63A5;&#x7740;&#x627E;&#x5177;&#x4F53;&#x7684;&#x6E90;&#x7801;&#x5206;&#x6790;&#x539F;&#x56E0;
&#x5206;&#x6790;&#x539F;&#x56E0;&#x5982;&#x4E0B;&#xFF1A;</p>
<ol>
<li>&#x5E73;&#x53F0;&#x7684;&#x7528;&#x6237;&#x65E5;&#x5FD7;&#x8D70;&#x7684;&#x662F;&#x4E91;&#x5E73;&#x53F0;&#x63A5;&#x53E3;</li>
<li>&#x884C;&#x4E3A;&#x65E5;&#x5FD7;&#x53D1;&#x9001;&#x7684;&#x65F6;&#x5019;&#x8D70;&#x7684;&#x4E00;&#x4E2A;&#x963B;&#x585E;&#x961F;&#x5217;&#xFF0C;&#x5F53;&#x961F;&#x5217;&#x6EE1;&#x7684;&#x65F6;&#x5019;&#x5FAE;&#x670D;&#x52A1;&#x5DE5;&#x4F5C;&#x7EBF;&#x7A0B;&#x5373;&#x88AB;&#x963B;&#x585E;&#x4E86;</li>
<li>&#x963B;&#x585E;&#x961F;&#x5217;&#x7684;&#x6D88;&#x8D39;&#x8005;&#x91C7;&#x7528;&#x4E86;&#x7EBF;&#x7A0B;&#x6C60;&#x5B9E;&#x73B0;&#xFF0C;&#x4F46;&#x662F;&#x5176;&#x62D2;&#x7EDD;&#x7B56;&#x7565;&#x662F;&#x81EA;&#x5DF1;&#x5B9E;&#x73B0;&#x7684;&#xFF08;&#x8FD9;&#x91CC;&#x7684;&#x573A;&#x666F;&#x662F;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x629B;&#x5F03;&#x7684;&#xFF09;</li>
</ol>
<p>&#x7ED3;&#x8BBA;&#xFF1A;&#x7531;&#x4E8E;&#x4F20;&#x8F93;&#x5230;&#x4E91;&#x5E73;&#x53F0;&#x9700;&#x8981;&#x8D70;&#x516C;&#x7F51;&#xFF0C;&#x6240;&#x4EE5;&#x5728;&#x538B;&#x6D4B;&#x7684;&#x65F6;&#x5019;&#x8FD9;&#x91CC;&#x901F;&#x5EA6;&#x80AF;&#x5B9A;&#x8DDF;&#x4E0D;&#x4E0A;&#x63A5;&#x53E3;&#x7684;&#x901F;&#x5EA6;&#xFF0C;&#x8FDB;&#x800C;&#x5BFC;&#x81F4;&#x7EBF;&#x7A0B;&#x963B;&#x585E;&#x3002;</p>
<h3 id="&#x63AA;&#x65BD;1&#xFF1A;&#x7981;&#x7528;&#x7528;&#x6237;&#x884C;&#x4E3A;&#x65E5;&#x5FD7;">&#x63AA;&#x65BD;1&#xFF1A;&#x7981;&#x7528;&#x7528;&#x6237;&#x884C;&#x4E3A;&#x65E5;&#x5FD7;</h3>
<p>&#x5728;&#x914D;&#x7F6E;&#x4E2D;&#x5FC3;&#x4FEE;&#x6539;&#x914D;&#x7F6E;&#x5373;&#x53EF;</p>
<h3 id="&#x95EE;&#x9898;2&#xFF1A;&#x5FAE;&#x670D;&#x52A1;-oom-&#x6EA2;&#x51FA;">&#x95EE;&#x9898;2&#xFF1A;&#x5FAE;&#x670D;&#x52A1; OOM &#x6EA2;&#x51FA;</h3>
<p>&#x62FF;&#x5230;&#x5806;&#x5185;&#x5B58; dump &#x6587;&#x4EF6;&#x5206;&#x6790;&#x540E;&#xFF0C;&#x53D1;&#x73B0;&#x662F; &#x4F7F;&#x7528;&#x7684; X&#x6846;&#x67B6; &#x6709;&#x5185;&#x5B58;&#x6CC4;&#x6F0F;&#x7684;&#x60C5;&#x51B5;&#xFF1A;
&#x7528; MAT &#x5206;&#x6790;&#x5806; dump &#x6587;&#x4EF6;&#x540E;&#xFF0C;&#x53D1;&#x73B0;&#x8FD9;&#x91CC;&#x7684; XXXData &#x5BF9;&#x5E94;&#x7684;&#x5E94;&#x8BE5;&#x662F;&#x6570;&#x636E;&#x5E93;&#x8868;&#x4E2D;&#x7684;&#x4E00;&#x884C;&#x6570;&#x636E;&#xFF0C;&#x5185;&#x5B58;&#x91CC;&#x9762;&#x5B58;&#x5728;&#x7EA6; 150&#x4E07;&#x4E2A;&#x8FD9;&#x6837;&#x7684;&#x5185;&#x5B58;&#x5BF9;&#x8C61;&#x3002;</p>
<h3 id="&#x63AA;&#x65BD;2&#xFF1A;&#x8C03;&#x6574;-jvm-&#x6700;&#x5927;&#x5806;&#x5185;&#x5B58;">&#x63AA;&#x65BD;2&#xFF1A;&#x8C03;&#x6574; JVM &#x6700;&#x5927;&#x5806;&#x5185;&#x5B58;</h3>
<p>&#x628A;&#x6700;&#x5927;/&#x6700;&#x5C0F;&#x5806;&#x5185;&#x5B58;&#x8C03;&#x4E3A; 3GB &#x5373;&#x53EF;&#x3002;
-Xms3g
-Xmx3g</p>
<h2 id="&#x4F18;&#x5316;&#x6548;&#x679C;">&#x4F18;&#x5316;&#x6548;&#x679C;</h2>
<p>&#x5728;&#x91C7;&#x53D6;&#x4E0A;&#x9762;&#x4E24;&#x4E2A;&#x4F18;&#x5316;&#x63AA;&#x65BD;&#x4E4B;&#x540E;&#xFF0C;&#x6301;&#x7EED;&#x8FD0;&#x884C;&#x538B;&#x529B;&#x6D4B;&#x8BD5;&#x811A;&#x672C; 30 &#x5206;&#x949F;&#x6CA1;&#x95EE;&#x9898;&#x3002;</p>

                                
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